/* eslint-disable */
'use strict'
//abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890
// 随机生成数字
const random_str = (length) => {
    let chars = '1234567890';
    let max = chars.length;
    let str = '';
    for (var i = 0; i < length; i++) {
　　　　str += chars.charAt(Math.floor(Math.random() * max));
    }
    return str;
};

module.exports = random_str
